4-Pack Heavy Duty 18x30 Wire Shelf Black Epoxy 600 lb Load Capacity Industrial Storage Unit

- 4-Pack Expansion Set - Includes 4 commercial-grade chrome wire shelves and 16 pairs of split sleeves to fully upgrade existing units or replace damaged tiers for optimized vertical storage space - Industrial Strength Capacity - Reinforced steel construction supports up to 600 lb of evenly distributed weight per shelf to accommodate heavy boxes, tools, and bulk inventory without bending - Vented Black Epoxy Finish - Open wire geometry promotes air circulation to minimize dust accumulation while the protective coating offers resistance to humidity for reliable performance in damp storage areas, garages, and walk-in coolers - Universal Compatibility - Designed to fit standard 1" diameter round posts on existing shelving units allowing for easy height adjustment and integration with standard wire rack systems - NSF Listed Design - Manufactured in compliance with established industry codes for commercial equipment to ensure suitability for regulated professional storage environments